/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2000, 2015 Oracle and/or its affiliates. All rights reserved.
*
*/
package com.sleepycat.bind.tuple;
import com.sleepycat.db.DatabaseEntry;
/**
* A concrete <code>TupleBinding</code> for a sorted <code>Double</code>
* primitive wrapper or a sorted <code>double</code> primitive.
*
* <p>There are two ways to use this class:</p>
* <ol>
* <li>When using the {@link com.sleepycat.db} package directly, the static
* methods in this class can be used to convert between primitive values and
* {@link DatabaseEntry} objects.</li>
* <li>When using the {@link com.sleepycat.collections} package, an instance of
* this class can be used with any stored collection.</li>
* </ol>
*
* @see <a href="package-summary.html#floatFormats">Floating Point Formats</a>
*/
public class SortedDoubleBinding extends TupleBinding<Double> {
/* javadoc is inherited */
public Double entryToObject(TupleInput input) {
return input.readSortedDouble();
}
/* javadoc is inherited */
public void objectToEntry(Double object, TupleOutput output) {
output.writeSortedDouble(object);
}
/* javadoc is inherited */
protected TupleOutput getTupleOutput(Double object) {
return DoubleBinding.sizedOutput();
}
/**
* Converts an entry buffer into a simple <code>double</code> value.
*
* @param entry is the source entry buffer.
*
* @return the resulting value.
*/
public static double entryToDouble(DatabaseEntry entry) {
return entryToInput(entry).readSortedDouble();
}
/**
* Converts a simple <code>double</code> value into an entry buffer.
*
* @param val is the source value.
*
* @param entry is the destination entry buffer.
*/
public static void doubleToEntry(double val, DatabaseEntry entry) {
outputToEntry(DoubleBinding.sizedOutput().writeSortedDouble(val),
entry);
}
}